Last updated: June 24, 2025
In Cleveland, United States, the average temperature in December hovers around -4°C (25°F). Expect chilly extremes with minimums dipping to -24°C (-11°F) and maximums reaching a mild 17°C (63°F). During this month, precipitation totals 44 mm (1.7 in), typically spread over 6 days, and the air feels quite damp with an average humidity of 84%.
In December in Cleveland, the average temperature is -4°C (25°F). Maximums can reach 17°C (63°F), while minimums can drop as low as -24°C (-11°F). This temperature range indicates that travelers should be prepared for both mild and extremely cold conditions.
In Cleveland in December, the total precipitation amount is 44 mm (1.7 in) spread over 6 days.
In Cleveland in December, humidity is 84%. With an average temperature of -4°C (25°F), this humidity feels like a biting chill that seeps into your bones, making outdoor activities uncomfortable and travel less enjoyable.
In Cleveland in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Cleveland, you can visit Hourly UV Index in Cleveland.
UV Risk Categories
Weather in Cleveland varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Cleveland, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -8°C (17°F) | 33 mm (1.3 inches) | 87% | moderate |
| February Weather | -9°C (16°F) | 37 mm (1.5 inches) | 90% | moderate |
| March Weather | 1°C (34°F) | 67 mm (2.6 inches) | 85% | moderate |
| April Weather | 7°C (44°F) | 87 mm (3.4 inches) | 84% | very high |
| May Weather | 15°C (60°F) | 131 mm (5.1 inches) | 78% | very high |
| June Weather | 22°C (72°F) | 109 mm (4.3 inches) | 80% | very high |
| July Weather | 23°C (75°F) | 115 mm (4.5 inches) | 81% | very high |
| August Weather | 22°C (71°F) | 137 mm (5.4 inches) | 81% | very high |
| September Weather | 18°C (65°F) | 144 mm (5.7 inches) | 81% | very high |
| October Weather | 9°C (49°F) | 89 mm (3.5 inches) | 84% | moderate |
| November Weather | 1°C (34°F) | 34 mm (1.3 inches) | 88% | moderate |
| December Weather | -4°C (25°F) | 44 mm (1.7 inches) | 84% | low |